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Ignition and Control Systems - Component Location (644 Body): Other Volvo S40 I рестайлинг

Engine Control Systems 3 illustrations

On the left side of the center console (right-hand drive cars: on the right side of the center console).

Scheme 43

Scheme 43: DSA System

Control module (right-hand drive cars: at the left A-post), DSA warning lamp and DSA switch.

See Data Link Connector (DLC)

Scheme 44

Scheme 44: DSA System

Control module (right-hand drive cars: at the left A-post), DSA warning lamp and DSA switch.

See Data Link Connector (DLC)

DSA System

See DSA System

See Data Link Connector (DLC)

See DSA System

Scheme 45

Scheme 45: Engine Compartment
ComponentLocation
1Turbocharger (TC) control valve (turbocharged models only)On the rear side of the air cleaner (ACL) housing.
2Engine speed (RPM) sensorOn the left-hand side of the engine at the flywheel.
3Throttle position (TP) sensorOn the throttle body (TB)
4Canister purge (CP) valveOn the upper left side of the radiator
5A/C pressure sensor
6Engine cooling fan (FC)The left fan behind the radiator
7A/C fanThe right fan behind the radiator
8Intake air temperature (IAT) sensor, turbocharged modelsOn the charge air pipe between the throttle body (TB) and the charge air cooler (CAC)
9Boost pressure sensor 2 (turbocharged models only)On the intake manifold between the cylinder 3 and 4
10Engine coolant temperature (ECT) sensorAt the thermostat housing
11Knock sensor (KS)The front of the engine between cylinders 2 and 3
12The idle air control (IAC) valveOn the intake manifold
13PCV element (turbocharged models only)At the turbocharger (TC)
14Ignition coilCylinders 2 and 3
15Ignition coilCylinders 1 and 4
16Continuous Variable Valve Timing (CVVT) valveOn the cylinder head. Turbo charger (TC): Above the exhaust camshaft. Intake: Above the intake camshaft
17Camshaft position sensor (CMP)On the camshaft.
18Boost pressure sensor 1 (turbocharged models only)On the charge air pipe between the throttle body (TB) and the charge air cooler (CAC)
19Mass air flow (MAF) sensorOn the air cleaner (ACL) housing
20Engine cooling fan (FC) relay, half speedIn the integrated relay/fusebox, engine compartment
21Air conditioning (A/C) compressor relayIn the integrated relay/fusebox, engine compartment
22Air conditioning (A/C) condenser fan relayIn the integrated relay/fusebox, engine compartment
23Engine cooling fan (FC) relay, full speedIn the integrated relay/fusebox, engine compartment
24System relayIn the integrated relay/fusebox, engine compartment
25Fuel pump relay. (Bi-fuel only)In the integrated relay/fusebox, engine compartment
26EVAP canisterAt the right-hand front fender

Engine compartment

See Engine compartment